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Furnace Control Board

Furnace Control Board

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    Rheem Circuit Board Part 62-102635-81 (Direct Replacement for 62-24320-02)

    Rheem-Ruud

    MSRP: $360.13
    Now: $278.28
    The Rheem Criterion II control board, also called the Rheem Circuit Board Part 62-102635-81, is a versatile component. Rheem has designed it to fit multiple models from the brand, so that one doesn’t need to replace the board often. It meets OEM...
    MSRP: $360.13
    Now: $278.28
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    Lennox Fan Control Board Part #81L75

    Lennox

    MSRP: $119.92
    Now: $92.67
    Lennox® Fan Control Board  FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $119.92
    Now: $92.67
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    Lennox Circuit Board Part #71M28

    Lennox

    MSRP: $243.62
    Now: $188.25
    Lennox® Circuit Board  FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $243.62
    Now: $188.25
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    Lennox Control Board Part #68M64

    Lennox

    MSRP: $224.85
    Now: $173.74
    Lennox® Control Board  FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $224.85
    Now: $173.74
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    Lennox Control Board Part #59K21

    Lennox

    MSRP: $212.06
    Now: $163.86
    Lennox Control Board Part #59K21   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $212.06
    Now: $163.86
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    Lennox Control Board Part #52M46

    Lennox

    MSRP: $361.75
    Now: $279.53
    Lennox Control Board Part #52M46   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $361.75
    Now: $279.53
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    Lennox Defrost Control Board Part #46K67

    Lennox

    MSRP: $166.53
    Now: $128.69
    Lennox® Defrost Control Board   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements    
    MSRP: $166.53
    Now: $128.69
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    Lennox Ignition Module # 80K12

    Lennox

    MSRP: $610.35
    Now: $471.64
    Lennox® Ignition Module # 80K12, current part number for obsolete Fenwal® # 35-605903-223  FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $610.35
    Now: $471.64
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    Lennox Circuit Board Part #39M84

    Lennox

    MSRP: $523.69
    Now: $404.67
    Lennox® Fan Control Board # 39M84 is the current part number for Honeywell® Control Board # ST9103A1069   FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - Everytime No...
    MSRP: $523.69
    Now: $404.67
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    Lennox Defrost Board Part #17M14

    Lennox

    MSRP: $158.48
    Now: $122.46
    Lennox® Defrost Control Circuit Board  FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $158.48
    Now: $122.46
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    Amana-Goodman B1809913S HSI Board w/9-Pin Connector

    Amana-Goodman

    MSRP: $265.48
    Now: $205.15
    Amana-Goodman B1809913S HSI Board w/9-Pin Connector FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order Requirements unless noted above
    MSRP: $265.48
    Now: $205.15
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    Goodman Circuit Board Part #PCBBF112S

    Amana-Goodman

    MSRP: $192.44
    Now: $148.70
    Goodman PCBBF112S CIRCUIT BOARD   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $192.44
    Now: $148.70
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    Carrier Products Circuit Board Part# CESO110074-01

    Carrier

    MSRP: $501.20
    Now: $387.29
    Carrier® Products Circuit Board Part# CESO110074-01, aka CES0110074-01; Backed by a One Year Warranty.   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order...
    MSRP: $501.20
    Now: $387.29
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    Carrier Products Circuit Board Part# CESO110063-02

    Carrier

    MSRP: $206.86
    Now: $159.85
    Carrier® Products Circuit Board Part# CESO110063-02, aka CES0110063-02; Timer/Defrost Circuit Bard; Backed by a One Year Warranty.   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts -...
    MSRP: $206.86
    Now: $159.85
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    Carrier Defrost Control Circuit Board Part# CESO110053-00

    Carrier

    MSRP: $432.81
    Now: $334.45
    Carrier Defrost Control Circuit Board Part# CESO110053-00    FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements      
    MSRP: $432.81
    Now: $334.45
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    MSRP: $432.81
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    Carrier Products Circuit Board Part# 325879-751

    Carrier

    MSRP: $878.15
    Now: $678.57
    Carrier® Products Circuit Board Part# 325879-751; Direct Cross for Obsolete Carrier # HK42FZ010; Circuit Board Plug Kit; Comes with Installation Manual; Backed by a One Year Warranty.   FurnacePartSource.com Commitment Item Typically Ships...
    MSRP: $878.15
    Now: $678.57
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Shop Furnace & HVAC Control Boards

If your heating or cooling system is acting up, a faulty control board may be the culprit. Furnace Part Source carries a wide selection of replacement control boards for furnaces, air conditioners, and other HVAC systems. Whether you need a furnace control board, AC control board, or general HVAC circuit board, we offer OEM replacements for major brands like Carrier, Trane, Nordyne, Goodman, and York.

Our catalog is designed for homeowners, HVAC professionals, electricians, and handymen looking to make fast, affordable repairs. Every control board we stock is brand-new, guaranteed genuine, and ready to ship—no minimum order required.

Reliable Control Board Replacements at Your Fingertips

Control boards are the “brains” of your heating and cooling equipment. When they fail, your entire system may stop responding, misfire, or behave erratically. That’s why we carry a variety of furnace control boards with different input/output configurations, ignition types, and diagnostic capabilities to match both older and newer systems.

With over 500,000 HVAC parts in stock and same-day shipping available, Furnace Part Source makes it easy to get your furnace circuit board or HVAC control board delivered quickly and reliably. Not sure which model you need? Our support team is available 24/7 to help match part numbers or recommend replacements.

Frequently Asked Questions

What is a furnace control board?
A furnace control board is an electronic component that manages all of the operations of a furnace—ignition, blower fan timing, safety checks, and communication with the thermostat.

How do I know if my HVAC control board is bad?
Common signs include no response from the system, flashing error lights, or short-cycling. If your thermostat is working but your system isn’t responding, the control board may be the issue.

Can I replace a furnace control board myself?
Many experienced homeowners and handymen choose to replace furnace control boards themselves. However, always disconnect power and confirm compatibility before installation.

How much does it cost to replace a furnace control board?
Furnace control board replacement cost can range from $100–$600 depending on the brand and model. Ordering the part yourself and installing it can save significantly on labor costs.